JP6574529B2 - 音声通信システム及び方法 - Google Patents
音声通信システム及び方法 Download PDFInfo
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- JP6574529B2 JP6574529B2 JP2018541467A JP2018541467A JP6574529B2 JP 6574529 B2 JP6574529 B2 JP 6574529B2 JP 2018541467 A JP2018541467 A JP 2018541467A JP 2018541467 A JP2018541467 A JP 2018541467A JP 6574529 B2 JP6574529 B2 JP 6574529B2
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
- H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
- H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
- H04R1/406—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers microphones
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/005—Circuits for transducers, loudspeakers or microphones for combining the signals of two or more microphones
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/08—Speech classification or search
- G10L2015/088—Word spotting
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L15/00—Speech recognition
- G10L15/22—Procedures used during a speech recognition process, e.g. man-machine dialogue
- G10L2015/223—Execution procedure of a spoken command
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L2021/02082—Noise filtering the noise being echo, reverberation of the speech
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
- G10L21/00—Processing of the speech or voice signal to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
- G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L2021/02161—Number of inputs available containing the signal or the noise to be suppressed
- G10L2021/02166—Microphone arrays; Beamforming
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R1/00—Details of transducers, loudspeakers or microphones
- H04R1/08—Mouthpieces; Microphones; Attachments therefor
- H04R1/083—Special constructions of mouthpieces
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/02—Details casings, cabinets or mounting therein for transducers covered by H04R1/02 but not provided for in any of its subgroups
- H04R2201/023—Transducers incorporated in garment, rucksacks or the like
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/401—2D or 3D arrays of transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/403—Linear arrays of transducers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
- H04R2201/40—Details of arrangements for obtaining desired directional characteristic by combining a number of identical transducers covered by H04R1/40 but not provided for in any of its subgroups
- H04R2201/405—Non-uniform arrays of transducers or a plurality of uniform arrays with different transducer spacing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2410/00—Microphones
- H04R2410/05—Noise reduction with a separate noise microphone
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2430/00—Signal processing covered by H04R, not provided for in its groups
- H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic
- H04R2430/23—Direction finding using a sum-delay beam-former
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
- H04R2499/10—General applications
- H04R2499/13—Acoustic transducers and sound field adaptation in vehicles
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R3/00—Circuits for transducers, loudspeakers or microphones
- H04R3/12—Circuits for transducers, loudspeakers or microphones for distributing signals to two or more loudspeakers
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2016/073553 WO2017132958A1 (en) | 2016-02-04 | 2016-02-04 | Methods, systems, and media for voice communication |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2018538765A JP2018538765A (ja) | 2018-12-27 |
JP6574529B2 true JP6574529B2 (ja) | 2019-09-11 |
Family
ID=56872862
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018541467A Active JP6574529B2 (ja) | 2016-02-04 | 2016-02-04 | 音声通信システム及び方法 |
Country Status (4)
Country | Link |
---|---|
US (2) | US10460744B2 (zh) |
JP (1) | JP6574529B2 (zh) |
CN (1) | CN105940445B (zh) |
WO (1) | WO2017132958A1 (zh) |
Families Citing this family (40)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2527865B (en) * | 2014-10-30 | 2016-12-14 | Imagination Tech Ltd | Controlling operational characteristics of an acoustic echo canceller |
DE102014017384B4 (de) * | 2014-11-24 | 2018-10-25 | Audi Ag | Kraftfahrzeug-Bedienvorrichtung mit Korrekturstrategie für Spracherkennung |
US10225395B2 (en) * | 2015-12-09 | 2019-03-05 | Whatsapp Inc. | Techniques to dynamically engage echo cancellation |
JP6670224B2 (ja) * | 2016-11-14 | 2020-03-18 | 株式会社日立製作所 | 音声信号処理システム |
US10229667B2 (en) * | 2017-02-08 | 2019-03-12 | Logitech Europe S.A. | Multi-directional beamforming device for acquiring and processing audible input |
US10366702B2 (en) | 2017-02-08 | 2019-07-30 | Logitech Europe, S.A. | Direction detection device for acquiring and processing audible input |
US10362393B2 (en) | 2017-02-08 | 2019-07-23 | Logitech Europe, S.A. | Direction detection device for acquiring and processing audible input |
US10366700B2 (en) * | 2017-02-08 | 2019-07-30 | Logitech Europe, S.A. | Device for acquiring and processing audible input |
US11133036B2 (en) * | 2017-03-13 | 2021-09-28 | Insoundz Ltd. | System and method for associating audio feeds to corresponding video feeds |
CN107331407B (zh) * | 2017-06-21 | 2020-10-16 | 深圳市泰衡诺科技有限公司 | 下行通话降噪方法及装置 |
DE102018117557B4 (de) * | 2017-07-27 | 2024-03-21 | Harman Becker Automotive Systems Gmbh | Adaptives nachfiltern |
US10586534B1 (en) * | 2017-09-27 | 2020-03-10 | Amazon Technologies, Inc. | Voice-controlled device control using acoustic echo cancellation statistics |
CN107910011B (zh) * | 2017-12-28 | 2021-05-04 | 科大讯飞股份有限公司 | 一种语音降噪方法、装置、服务器及存储介质 |
CN108022591B (zh) | 2017-12-30 | 2021-03-16 | 北京百度网讯科技有限公司 | 车内环境中语音识别的处理方法、装置和电子设备 |
CN108107982A (zh) | 2018-01-03 | 2018-06-01 | 京东方科技集团股份有限公司 | 一种可穿戴设备 |
CN108415904B (zh) * | 2018-01-12 | 2022-04-19 | 广东思派康电子科技有限公司 | 一种双通道实时翻译方法 |
TWI708243B (zh) * | 2018-03-19 | 2020-10-21 | 中央研究院 | 於分散式語音辨識中基於小波轉換之語音特徵壓縮及重建系統與方法 |
US11523212B2 (en) | 2018-06-01 | 2022-12-06 | Shure Acquisition Holdings, Inc. | Pattern-forming microphone array |
US11159879B2 (en) * | 2018-07-16 | 2021-10-26 | Northwestern Polytechnical University | Flexible geographically-distributed differential microphone array and associated beamformer |
CN113498503A (zh) * | 2019-01-17 | 2021-10-12 | 苹果公司 | 用于感测生理状况的具有面部界面的头戴式显示器 |
CN113348681B (zh) * | 2019-01-21 | 2023-02-24 | 外部回声公司 | 通过时变递归滤波器结构的虚拟声学渲染的方法与系统 |
US11438691B2 (en) | 2019-03-21 | 2022-09-06 | Shure Acquisition Holdings, Inc. | Auto focus, auto focus within regions, and auto placement of beamformed microphone lobes with inhibition functionality |
US11445294B2 (en) | 2019-05-23 | 2022-09-13 | Shure Acquisition Holdings, Inc. | Steerable speaker array, system, and method for the same |
KR20210073975A (ko) * | 2019-12-11 | 2021-06-21 | 삼성전자주식회사 | 화자를 인식하는 방법 및 장치 |
CN111063366A (zh) * | 2019-12-26 | 2020-04-24 | 紫光展锐(重庆)科技有限公司 | 降低噪声的方法、装置、电子设备及可读存储介质 |
WO2021131346A1 (ja) * | 2019-12-26 | 2021-07-01 | パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカ | 収音装置、収音方法及び収音プログラム |
US20210216150A1 (en) * | 2020-01-09 | 2021-07-15 | Dell Products L.P. | Distributed sensing for passive pen |
CN111227820A (zh) * | 2020-02-21 | 2020-06-05 | 孙磊 | 多维通道传感器的胎心检测传感器矩阵、胎心检测设备 |
CN111265239A (zh) * | 2020-02-21 | 2020-06-12 | 孙磊 | 基于邻近计算的胎心检测信号处理及信息提取系统及方法 |
CN111265237A (zh) * | 2020-02-21 | 2020-06-12 | 孙磊 | 基于邻近计算的胎儿胎心监护系统、设备及方法 |
CN111265240A (zh) * | 2020-02-21 | 2020-06-12 | 孙磊 | 胎心监护仪及胎心测量方法 |
CN111317500B (zh) * | 2020-02-21 | 2021-05-07 | 孙磊 | 基于胎心胎动信号的智能穿戴系统 |
CN111227819B (zh) * | 2020-02-21 | 2021-05-07 | 孙磊 | 多维通道传感器的胎心检测传感器矩阵的信号处理方法 |
CN111265241B (zh) * | 2020-02-21 | 2021-10-22 | 孙磊 | 多维通道传感器的胎儿胎心数据可视化方法及系统 |
US11277689B2 (en) | 2020-02-24 | 2022-03-15 | Logitech Europe S.A. | Apparatus and method for optimizing sound quality of a generated audible signal |
CN111613247B (zh) * | 2020-04-14 | 2023-03-21 | 云知声智能科技股份有限公司 | 一种基于麦克风阵列的前景语音检测方法及装置 |
CN112750463A (zh) * | 2020-12-17 | 2021-05-04 | 云知声智能科技股份有限公司 | 一种误识别抑制方法 |
EP4285605A1 (en) | 2021-01-28 | 2023-12-06 | Shure Acquisition Holdings, Inc. | Hybrid audio beamforming system |
WO2023086273A1 (en) * | 2021-11-10 | 2023-05-19 | Dolby Laboratories Licensing Corporation | Distributed audio device ducking |
CN116232282B (zh) * | 2023-01-12 | 2023-12-19 | 湖南大学无锡智能控制研究院 | 一种基于自适应全通滤波器的时变时延估计方法、装置和系统 |
Family Cites Families (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4010815A1 (de) | 1990-03-30 | 1991-10-02 | Jens Prof Dr Ing Blauert | Mikrophonanordnung zur aufnahme menschlicher lautaeusserungen |
US6438247B1 (en) | 1999-01-28 | 2002-08-20 | International Business Machines Corporation | Seatbelt microphone mounting |
ES2228705T3 (es) | 2000-07-13 | 2005-04-16 | Paragon Ag | Dispositivo de manos libres. |
DE10307505B4 (de) * | 2003-02-21 | 2005-03-03 | Infineon Technologies Ag | Textilgewebestruktur, Flächenverkleidungsstruktur und Verfahren zum Bestimmen eines Abstands von Mikroelektronikelementen der Textilgewebestruktur zu mindestens einer Referenzposition |
DE10327753A1 (de) | 2003-06-18 | 2005-01-27 | Paragon Ag | Sensoranordnung zur Anbringung an einem Gurt, insbesondere an einem Sicherheitsgurt eines Kraftfahrzeugs |
CN101015001A (zh) * | 2004-09-07 | 2007-08-08 | 皇家飞利浦电子股份有限公司 | 提高了噪声抑制能力的电话装置 |
CN101217828B (zh) * | 2007-01-04 | 2011-10-12 | 财团法人工业技术研究院 | 噪音抑制装置与方法 |
US8600038B2 (en) * | 2008-09-04 | 2013-12-03 | Qualcomm Incorporated | System and method for echo cancellation |
US8855326B2 (en) * | 2008-10-16 | 2014-10-07 | Nxp, B.V. | Microphone system and method of operating the same |
US8489393B2 (en) * | 2009-11-23 | 2013-07-16 | Cambridge Silicon Radio Limited | Speech intelligibility |
EP2647221B1 (en) * | 2010-12-03 | 2020-01-08 | Fraunhofer Gesellschaft zur Förderung der Angewand | Apparatus and method for spatially selective sound acquisition by acoustic triangulation |
DE102011009318A1 (de) | 2011-01-25 | 2012-07-26 | Paragon Ag | Sicherheitsgurt für Kraftfahrzeuge |
US9711127B2 (en) * | 2011-09-19 | 2017-07-18 | Bitwave Pte Ltd. | Multi-sensor signal optimization for speech communication |
US9767828B1 (en) * | 2012-06-27 | 2017-09-19 | Amazon Technologies, Inc. | Acoustic echo cancellation using visual cues |
US9443532B2 (en) * | 2012-07-23 | 2016-09-13 | Qsound Labs, Inc. | Noise reduction using direction-of-arrival information |
CN104768455B (zh) | 2012-09-11 | 2018-01-02 | L.I.F.E.公司 | 可穿戴式通信平台 |
CN107172538B (zh) * | 2012-11-12 | 2020-09-04 | 雅马哈株式会社 | 信号处理系统和信号处理方法 |
EP2736272A1 (en) * | 2012-11-22 | 2014-05-28 | ETH Zurich | Wearable microphone array apparatus |
CN103067629B (zh) * | 2013-01-18 | 2014-10-29 | 苏州科达科技股份有限公司 | 回声消除装置 |
US9888317B2 (en) * | 2013-10-22 | 2018-02-06 | Nokia Technologies Oy | Audio capture with multiple microphones |
CN104810021B (zh) | 2015-05-11 | 2017-08-18 | 百度在线网络技术(北京)有限公司 | 应用于远场识别的前处理方法和装置 |
-
2016
- 2016-02-04 WO PCT/CN2016/073553 patent/WO2017132958A1/en active Application Filing
- 2016-02-04 CN CN201680000358.1A patent/CN105940445B/zh active Active
- 2016-02-04 JP JP2018541467A patent/JP6574529B2/ja active Active
- 2016-02-04 US US15/504,655 patent/US10460744B2/en active Active
-
2019
- 2019-09-29 US US16/586,993 patent/US10706871B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10460744B2 (en) | 2019-10-29 |
US20180226086A1 (en) | 2018-08-09 |
US20200027472A1 (en) | 2020-01-23 |
JP2018538765A (ja) | 2018-12-27 |
CN105940445B (zh) | 2018-06-12 |
CN105940445A (zh) | 2016-09-14 |
WO2017132958A1 (en) | 2017-08-10 |
US10706871B2 (en) | 2020-07-07 |
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